22112201021211 has 32 divisors (see below), whose sum is σ = 37438909908480. Its totient is φ = 12635454787488.

The previous prime is 22112201021173. The next prime is 22112201021237. The reversal of 22112201021211 is 11212010221122.

22112201021211 is a `hidden beast` number, since 2 + 211 + 220 + 1 + 0 + 21 + 211 = 666.

It is not a de Polignac number, because 22112201021211 - 2¹⁵ = 22112200988443 is a prime.

It is not an unprimeable number, because it can be changed into a prime (22112201021111) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 34379305 + ... + 35016581.

It is an arithmetic number, because the mean of its divisors is an integer number (1169965934640).

Almost surely, 2^{22112201021211} is an apocalyptic number.

22112201021211 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

22112201021211 is a deficient number, since it is larger than the sum of its proper divisors (15326708887269).

22112201021211 is a wasteful number, since it uses less digits than its factorization.

22112201021211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 820880 (or 820874 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 18.

Adding to 22112201021211 its reverse (11212010221122), we get a palindrome (33324211242333).

The spelling of 22112201021211 in words is "twenty-two trillion, one hundred twelve billion, two hundred one million, twenty-one thousand, two hundred eleven".